Standard Rack Assembly

– Fully sheeted duct furnaces mounted in a 16-gauge galvanized steel frame.
– Provides listed temperature rise and air side pressure drop performance.
– Each furnace includes an individual shutoff valve, flexible gas connector & union piped to properly sized supply header.
– Condensate drains pre-piped to a common header.
– Easy removal of any single duct furnace.
– All controls prewired to a sequencer for system control.
– Customer only needs to provide Power, “Call for Heat” and a 0-10 VDC signal.

Weatherproof Vestibule Enclosure

– Complete indoor or outdoor rated Vestibule cabinet.
– Large, hinged galvanized steel door for easy access to components and controls.
– Fresh air intakes assure adequate combustion air supply.
– All heaters pre-wired to marked terminal strip for electrical supply.
– Insulated vent connectors to prevent heat build-up in cabinet.

Outdoor Venting Kit

– Vent riser assembly with integral rain cap.
– Provides proper venting of flue gases and prevents flue gas recirculation into burner combustion air supply.


Select An Efficiency:

81%80%

Application Guidelines Product Specification User Guidelines OEM Instructions Submittal / Order Information

Note: You must be logged in to view CAD, Gas Train and Wiring Diagram files.
Model NumberPDFAlt PDFPDF of Gas TrainPDF of Wiring DiagramMax Input MBHMax Output MBHMin Input MBHMin Output MBHNat. Gas Turndown RatioMax Ind. HX Input# of HX'sMax CFMMax APD @ Min RiseMax Temp RiseMin CFMMin APD @ Max RiseDim ADim BDim CDim DWeight (Lbs.)Total Amps 120VTotal Amps 208V 230VDim EDim F
HDA-VHP-250-500-OPDFPDFPDF5004055040.510 to 12502125000.7910037500.0746.1659.0544.6616.6166585
HDA-VHP-300-600-OPDFPDFPDF6004866048.610 to 13002150000.810045000.0752.6659.0544.6616.6172585
HDA-VHP-350-700-OPDFPDFPDF7005677056.710 to 13502175000.8110052500.0859.1659.0544.6616.6179885
HDA-VHP-400-800-OPDFPDFPDF8006488064.810 to 14002200000.8810060000.0865.6659.0544.6616.6187085
HDA-VHP-300-900-OPDFPDFPDF9007296048.615 to 13003225000.810067500.0778.1359.0544.6616.611053127.5
HDA-VHP-500-1000-OPDFPDFPDF10008101008110 to 15002250000.9610075000.0978.6659.0544.6620.11125910
HDA-VHP-350-1050-OPDFPDFPDF10508507056.715 to 13503262500.8110078750.0887.8859.0544.6616.611055127.5
HDA-VHP-600-1200-OPDFPDFPDF120097212097.210 to 16002300001.0310090000.191.6659.0544.6620.11120410
HDA-VHP-400-1200-OPDFPDFPDF12009728064.815 to 14003300000.8810090000.0897.6359.0544.6616.611151127.5
HDA-VHP-500-1500-OPDFPDFPDF150012151008115 to 15003375000.96100112500.09117.1359.0544.6620.111538157.5
HDA-VHP-600-1800-OPDFPDFPDF1800145812097.215 to 16003450001.03100135000.1136.6359.0544.6620.111640157.5
Note: For Propane gas, turndown is 60% of stated natural gas turndown.

Application Guidelines Product Specification User Guidelines OEM Instructions Submittal / Order Information

Note: You must be logged in to view CAD, Gas Train and Wiring Diagram files.
Model NumberPDFAlt PDFPDF of Gas TrainPDF of Wiring DiagramMax Input MBHMax Output MBHMin Input MBHMin Output MBHNat. Gas Turndown RatioMax Ind. HX Input# of HX'sMax CFMMax APD @ Min RiseMax Temp RiseMin CFMMin APD @ Max RiseDim ADim BDim CDim DWeight (Lbs.)Total Amps 120VTotal Amps 208V 230V
HDA-VHP-250-500-OPDFPDFPDFPDF500400504010 to 12502185190.8310037040.0446.15947.41766585
HDA-VHP-300-600-OPDFPDFPDFPDF600480604810 to 13002222220.9710044440.0551.65947.41772585
HDA-VHP-350-700-OPDFPDFPDFPDF700560705610 to 13502259261.0910051850.0659.15947.41779885
HDA-VHP-400-800-OPDFPDFPDFPDF800640806410 to 14002296301.210059260.0665.75947.41787085
HDA-VHP-300-900-OPDFPDFPDFPDF900720604815 to 13003333330.9710066670.05785947.4171053127.5
HDA-VHP-500-1000-OPDFPDFPDFPDF10008001008010 to 15002370371.3810074070.0778.65947.420125910
HDA-VHP-350-1050-OPDFPDFPDFPDF1050840705615 to 13503388891.0910077780.0687.85947.4171055127.5
HDA-VHP-600-1200-OPDFPDFPDFPDF12009601209610 to 16002444441.5210088890.0891.65947.420120410
HDA-VHP-400-1200-OPDFPDFPDFPDF1200960806415 to 14003444441.210088890.0697.55947.4171151127.5
HDA-VHP-500-1500-OPDFPDFPDFPDF150012001008015 to 15003555561.38100111110.071175947.4201538157.5
HDA-VHP-600-1800-OPDFPDFPDFPDF180014401209615 to 16003666671.52100133330.081315947.4201640157.5
Note: For Propane gas, turndown is 60% of stated natural gas turndown.
Model NumberPDFAlt PDFPDF of Gas TrainPDF of Wiring DiagramMax Input MBHMax Output MBHMin Input MBHMin Output MBHNat. Gas Turndown RatioMax Ind. HX Input# of HX'sMax CFMMax APD @ Min RiseMax Temp RiseMin CFMMin APD @ Max RiseDim ADim BDim CDim DWeight (Lbs.)Total Amps 120VTotal Amps 208V 230V
HDA-VHP-250-500-O-X2PDFPDFPDF10008001008020 to 12504185191.6620037040.0846.1112.0647.41713301610
HDA-VHP-300-600-O-X2PDFPDFPDF12009601209620 to 13004222221.9420044440.151.6112.0647.41714501610
HDA-VHP-350-700-O-X2PDFPDFPDF1400112014011220 to 13504259262.1820051850.1259.1112.0647.41715961610
HDA-VHP-400-800-O-X2PDFPDFPDF1600128016012820 to 14004296302.420059260.1265.7112.0647.41717401610
HDA-VHP-500-1000-O-X2PDFPDFPDF2000160020016020 to 15004370372.7620074070.1478.6112.0647.420251820
HDA-VHP-600-1200-O-X2PDFPDFPDF2400192024019220 to 16004444443.0420088890.1691.6112.0647.420240820
Note: For Propane gas, turndown is 60% of stated natural gas turndown.